... side wall materials:Double PVC synthetic fiber cloth,symbols, Germany standard DIN02B1 M2 (fire-proof ,water-proof,snow-proof ) ... 6-0.8-1-1.2M Frame: aluminum alloyTop floor: can be made by 18mm thickness plywood,,organic ... to set up and remove and moveablethe color of floor and the size of stage can be change ... 400*400mm ,300*400mm etc.screw to connect the standard aluminum alloy Frame :4,3,2 Type: 4,3 ...